diff --git a/doc/favicon-128x128.png b/doc/favicon-128x128.png
new file mode 100644
index 00000000..eb1ee061
Binary files /dev/null and b/doc/favicon-128x128.png differ
diff --git a/doc/favicon-180x180.png b/doc/favicon-180x180.png
new file mode 100644
index 00000000..3ec7f615
Binary files /dev/null and b/doc/favicon-180x180.png differ
diff --git a/doc/favicon-192x192.png b/doc/favicon-192x192.png
new file mode 100644
index 00000000..ae23fbab
Binary files /dev/null and b/doc/favicon-192x192.png differ
diff --git a/doc/favicon-32x32.png b/doc/favicon-32x32.png
new file mode 100644
index 00000000..7221f725
Binary files /dev/null and b/doc/favicon-32x32.png differ
diff --git a/doc/libportal.toml.in b/doc/libportal.toml.in
index 922ceed3..3dc1a2ac 100644
--- a/doc/libportal.toml.in
+++ b/doc/libportal.toml.in
@@ -41,4 +41,8 @@ content_files = [
 ]
 content_images = [
   "libportal.svg",
+  "favicon-32x32.png",
+  "favicon-128x128.png",
+  "favicon-180x180.png",
+  "favicon-192x192.png",
 ]